WO2000067914A2 - Dispositif pour l'application de fluide - Google Patents

Dispositif pour l'application de fluide Download PDF

Info

Publication number
WO2000067914A2
WO2000067914A2 PCT/EP2000/004137 EP0004137W WO0067914A2 WO 2000067914 A2 WO2000067914 A2 WO 2000067914A2 EP 0004137 W EP0004137 W EP 0004137W WO 0067914 A2 WO0067914 A2 WO 0067914A2
Authority
WO
WIPO (PCT)
Prior art keywords
slot
base body
guide
fluid
adjusting device
Prior art date
Application number
PCT/EP2000/004137
Other languages
German (de)
English (en)
Other versions
WO2000067914A3 (fr
Inventor
Thomas Burmester
Jörg STEFFENS
Original Assignee
Nordson Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nordson Corporation filed Critical Nordson Corporation
Priority to AT00925270T priority Critical patent/ATE250983T1/de
Priority to JP2000616931A priority patent/JP4711371B2/ja
Priority to DE50003910T priority patent/DE50003910D1/de
Priority to EP00925270A priority patent/EP1181105B1/fr
Priority to CA002368115A priority patent/CA2368115A1/fr
Priority to AU44046/00A priority patent/AU4404600A/en
Publication of WO2000067914A2 publication Critical patent/WO2000067914A2/fr
Publication of WO2000067914A3 publication Critical patent/WO2000067914A3/fr
Priority to US09/986,501 priority patent/US6689214B2/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/027—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated
    • B05C5/0275—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated flow controlled, e.g. by a valve
    • B05C5/0279—Coating heads with several outlets, e.g. aligned transversally to the moving direction of a web to be coated flow controlled, e.g. by a valve independently, e.g. individually, flow controlled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0254—Coating heads with slot-shaped outlet
    • B05C5/0266—Coating heads with slot-shaped outlet adjustable in length, e.g. for coating webs of different width
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0225—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work characterised by flow controlling means, e.g. valves, located proximate the outlet
    • B05C5/0237—Fluid actuated valves

Definitions

  • the present invention relates to a device for applying fluid to a substrate that can be moved relative to the device, in particular for applying adhesive to foils, with a fluid supply channel that can be connected to a fluid source and is formed in a base body, with at least one application valve for optionally interrupting or releasing the Fluid flow and a slot nozzle arrangement communicating with the fluid supply channel, which has an elongated slot with an outlet opening, the length of the slot being variable by means of a closure body which can be moved in the slot and laterally seals it.
  • Devices of this type are often referred to as application heads and are used in various industrial areas to apply adhesives or other liquids to films, packaging material or other substrates.
  • the application head is regularly mounted on a frame and the substrate is guided past the application head by a conveyor.
  • the liquid emerges from the elongated outlet opening of the slot of the slot nozzle arrangement and reaches the surface of the substrate guided past the outlet opening.
  • the object of the present invention is to provide an application device which enables the application width to be varied and adapted to different substrates in a structurally simple manner.
  • the invention achieves this object in a device of the type mentioned at the outset in that the base body is mounted so that it can be moved and locked in the direction of the longitudinal axis of the slot by means of a guide and adjusting device.
  • the invention enables not only a variation in the length of the slot of the slot nozzle arrangement and thus a variation in the application width in a structurally simple manner, but also, if necessary, a displacement of the entire application head in order to be able to precisely align the application head with respect to different substrates being moved past.
  • the device according to the invention has several setting options: by moving the entire base body in the direction of the longitudinal axis of the slot and at the same time adjusting the closure body in the same direction of movement, the application width remains constant and the slot nozzle arrangement, together with the application head, is moved relative to a substrate while the length of the slot remains the same, so that the application width remains the same and an accurate device of the slot nozzle arrangement can be made to the substrate.
  • the base body can be displaced by means of the guiding and adjusting device, while the closure body, which is movably arranged in the slot and seals it laterally, does not change its position - relative to a stationary frame of a production system - but only changes its position relative to the slot nozzle arrangement of the application head , so that the length of the slot is reduced and a lateral edge of the slot changes its position relative to the substrate.
  • the closure body which can be moved within the slot, can also be moved within the slot with the aid of an adjusting device — according to a preferred embodiment, which is explained in more detail below — while the base body is stationary — relative to a stationary one Frame - so that the length of the slot varies, eg is reduced, and one side end portion of the slot changes position while the other end portion of the slot maintains its position.
  • the device according to the invention thus enables a considerably more versatile adjustment of the width of the slot and the position of the slot relative to a substrate compared to the prior art.
  • the two side edges of the slot can be varied and the entire slot nozzle arrangement can be moved.
  • a preferred embodiment of the invention is characterized in that the guiding and adjusting device has a plurality of linear guides, preferably having rolling elements, so that simple displacement with low forces and in the determined state a rigid arrangement of the application head is ensured.
  • the guiding and adjusting device has a rotatably mounted threaded spindle and a threaded body arranged on the base body and in engagement with the threaded spindle, so that a structurally simple, reliable and precise adjustment is possible.
  • a ball screw could be provided.
  • the threaded spindle is expediently coupled to a handwheel for manual displacement of the base body, with which a simple and precise displacement can be achieved.
  • the closure body which is movable in the slot is rigidly coupled to a piston which is arranged in a movable and sealed manner in a distribution channel which communicates with the slot.
  • the closure body and the piston are expediently movable by means of a common slot adjustment device.
  • the device With the aid of the piston and the closure body, the device can also be cleaned and adhesive can be pressed out of the slot and the distribution channel if there is a long interruption in operation, so that the adhesive does not harden.
  • the adjusting device has a rotatably mounted threaded spindle and a threaded sleeve which is rigidly connected to the piston and engages with the threaded spindle.
  • the threaded spindle of the adjusting device is preferably coupled to a handwheel for manual adjustment.
  • a particularly simple handling of the application head according to the invention is achieved in that the handwheel of the guiding and adjusting device and the handwheel of the slot adjusting device are arranged side by side on one side relative to the base body and the threaded spindles are arranged parallel to one another, since the guiding and adjusting device for the base body and the slot adjustment device can be actuated from one side even during operation of the device during the job.
  • the invention in a device for applying fluid to a substrate with a fluid supply channel, an application valve and a slot nozzle arrangement and a substrate guiding device, the invention provides that the guiding device has a frame which can be pivoted by means of a pneumatic cylinder on the base body and two which are mounted on the frame has elongated guide elements arranged parallel to the slot, and that the guide elements in turn are arranged together pivotable and lockable relative to the frame.
  • the substrate is optimally positioned in operation relative to the outlet opening of the slot of the slot nozzle arrangement and guided past, so that an optimal fluid application is realized.
  • the guide elements are designed as guide rods with a polished surface.
  • the guide elements could be designed as rotatable shafts in order to reduce the friction.
  • Fig. 1 shows an inventive device for applying
  • FIG. 2 shows the device of FIG. 1 in a plan view with a
  • FIG. 3 shows the device according to FIG. 1 in a view from the side
  • FIG. 4 shows the device according to FIG. 1 in a further view from an opposite side
  • Fig. 5 shows a part of the device according to the invention in a
  • FIG. 6 shows a substrate guide device in a plan view
  • FIG. Fig. 6 shows the substrate guiding device according to FIG. Fig. 6 in a side view
  • FIG. 8 shows the substrate guiding device in a further side view.
  • the device shown in the figures for applying fluid (also referred to below as the application head) to a substrate that can be moved relative to the device is used to apply liquid adhesive to foils that are guided past the device.
  • the application head also referred to below as the application head
  • other substrates such as packaging material or the like could also be coated with adhesive.
  • the application head 1 has a metallic base body 2 and a fluid supply channel 4 which can be connected to an adhesive source (not shown) and which is designed as a cylindrical bore in the base body 2 and to which a flexible adhesive line is connected.
  • the base body has an upper part 3 and a lower part 5, which are screwed together.
  • a cylindrical distributor channel 6 is arranged within the base body 2 and, like the fluid supply channel 2, extends over the entire length of the application head 1.
  • Half of the distribution channel 6 is designed as a semi-cylindrical recess in the upper part 3 and the other half in the lower part 5 as a semi-cylindrical recess, so that the distribution channel 6 can be easily cleaned.
  • the distribution channel 6 communicates with a horizontally arranged slot 8 of a slot nozzle arrangement 1 0.
  • the slot 8 opens into an elongated outlet opening 1 2, from which adhesive emerges during operation and then onto the substrate is transmitted.
  • Each application valve 1 4 is designed in the exemplary embodiment as a pneumatically actuated valve and each has a needle 1 6, which is coupled to a pressure gas piston arranged movably in a cylinder and can be moved up and down when pressure is applied to the piston.
  • the lower section of the needle 1 6 cooperates with a valve seat formed on the base body 2.
  • a vertical connecting bore is formed between the fluid supply duct 4 and the distributor duct 6, which is closed by the tip of the needle 1 6 in the closed position of the application valve and is open in the open position of the needle 1 6.
  • a connecting bore is assigned to each application valve 14. In a manner not shown, the order valves 1 4 are connected to compressed gas lines.
  • a closure body 1 8 is movably arranged in the slot 8 of the slot nozzle arrangement 1 0 and seals the slot laterally.
  • the closure body 1 8 is rigidly coupled to a cylindrical piston 20 which is arranged to be axially movable within the distributor channel 6.
  • the closure body 1 8 extends from the piston 20 to the outlet opening 1 2 of the slot nozzle arrangement 1 0.
  • the piston 20 has an outer casing 22 which is fastened on a threaded sleeve 24.
  • the threaded sleeve 24 is part of an adjusting device 26 for varying the length of the slot 8 by displacing the closure body 18 in the slot 8 together with the piston 20 in the distributor channel 6.
  • the adjusting device 26 also has a threaded spindle 30 which is rotatably mounted by means of two ball bearings 28 , which with its external thread engages with an internal thread formed on the threaded sleeve 24.
  • the ball bearings 28 are embedded in a plate 32.
  • a handwheel 34 is fastened for manually turning and adjusting the adjusting device 26.
  • the threaded spindle 30 is rotated, as a result of which the threaded sleeve 24, the piston 20 and the closure body 1 8 are axially displaced in the direction of the longitudinal axis of the slot 8 or the distribution channel 6, so that the length, depending on the direction of rotation of the handwheel 34 of the slot - seen in the longitudinal direction of the application head 1 - is reduced or enlarged and can thus be varied.
  • the base body 2 and thus the entire application head 1 can be displaced back and forth relative to a stationary frame in the direction of the longitudinal axis of the slot 8 of the slot nozzle arrangement 1 0 and can be locked in different positions by means of a guide and adjustment device explained below.
  • the guiding and adjusting device has two supports 36 which can be fastened to a frame of a production system (not shown) and two cylindrical guide rods 38, 39 fastened to them and arranged parallel to one another and linear guides 40, 42, 44, 46 enclosing the guide rods 38, 39, which with several Rolling bodies are provided which roll along the guide rods 38, 39.
  • the lower section of the base body 2 is screwed into the linear guides 40, 42, 44, 46.
  • the base body 2 is thus linearly displaceable along the longitudinal axes of the guide rods 38, 39.
  • the guide rods 38, 39 are screwed to the supports 36 with their end sections, as illustrated in FIG. 1, by means of screws.
  • the linear guides are screwed to the base body 2 by means of several angle pieces.
  • the guiding and adjusting device also has a threaded spindle 50, which is rotatably mounted on the plate 32 by means of ball bearings, with an external thread, and a threaded body with an internal thread, which is engaged with the external thread of the threaded spindle 50 and is screwed to an angle piece 48 (see FIG. 1).
  • a handwheel 54 coupled to the threaded spindle 50, the base body 2 and thus the entire application head 1 can be moved back and forth linearly as a function of the direction of rotation of the handwheel 54.
  • the maximum displacement path depends on the length of the guide rods 38, 39.
  • the base body 2 Due to the friction between the external thread of the threaded spindle 50 and the internal thread of the threaded body 52, the base body 2 is fixed in any position.
  • the handwheels 34 and 54 as well as the threaded spindle 30 and 50 are arranged on one side relative to the base body 2, so that simple operation from one side is possible by the length of the slot 8 or the position of the base body 2 and thus the application head 1 to vary.
  • the substrate guide device has a frame 58 which can be pivoted by means of two pneumatic cylinders 56 and is mounted on the base body 2, and two frames which are arranged parallel and spaced apart from one another and in turn pivotable and can be fixed in different pivoting positions on the frame 58 Guide elements 60, 62 in the form of guide rods with a polished surface.
  • the two guide rods 60, 62 are each mounted with their end sections on two plates 64, 66, which can be pivoted relative to the frame 58 about a pivot axis 68 (cf. FIG. 7). 3 and 5 that the frame 58, the plates 64, 66 and the guide elements 60, 62 can be pivoted from a first pivoted position into a second operating position with the aid of the pneumatic cylinder 56 and the substrate by adjusting the pivoting position of the Plates 64, 66 and fixation by means of screws in an optimal position for guiding the substrate can be moved past the outlet opening 1 2, depending on the application.
  • a pressure roller can be arranged opposite the outlet opening 1 2.
  • Base body 32 plate upper part
  • Distribution channel 36 carriers
  • Adjustment device 54 handwheel

Landscapes

  • Coating Apparatus (AREA)
  • Seal Device For Vehicle (AREA)
  • Polarising Elements (AREA)
  • Nozzles (AREA)
  • Turning (AREA)
  • Making Paper Articles (AREA)

Abstract

L'invention concerne un dispositif pour l'application de fluide sur un substrat mobile par rapport au dispositif, en particulier pour l'application d'adhésif sur des feuilles. Le dispositif selon l'invention comprend un conduit d'amenée de fluide réalisé dans un corps de base et pouvant être relié à une source de fluide, au moins une soupape d'application qui interrompt ou libère, au choix, le flux de fluide, ainsi qu'un système de buse fendue communiquant avec le conduit d'amenée de fluide et présentant une fente allongée ayant une ouverture de sortie. On peut faire varier la longueur de la fente au moyen d'un corps de fermeture mobile dans la fente et étanchant cette dernière latéralement. Selon l'invention, le corps de base est monté de manière à pouvoir coulisser et être bloqué dans le sens de l'axe longitudinal de la fente au moyen d'un dispositif de conduite et de déplacement.
PCT/EP2000/004137 1999-05-10 2000-05-09 Dispositif pour l'application de fluide WO2000067914A2 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
AT00925270T ATE250983T1 (de) 1999-05-10 2000-05-09 Vorrichtung zum auftragen von fluid
JP2000616931A JP4711371B2 (ja) 1999-05-10 2000-05-09 流体塗布装置
DE50003910T DE50003910D1 (de) 1999-05-10 2000-05-09 Vorrichtung zum auftragen von fluid
EP00925270A EP1181105B1 (fr) 1999-05-10 2000-05-09 Dispositif pour l'application de fluide
CA002368115A CA2368115A1 (fr) 1999-05-10 2000-05-09 Dispositif pour l'application de fluide
AU44046/00A AU4404600A (en) 1999-05-10 2000-05-09 Device for discharging a liquid
US09/986,501 US6689214B2 (en) 1999-05-10 2001-11-09 Device for discharging a liquid

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE29908150U DE29908150U1 (de) 1999-05-10 1999-05-10 Vorrichtung zum Auftragen von Fluid
DE29908150.8 1999-05-10

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US09/986,501 Continuation US6689214B2 (en) 1999-05-10 2001-11-09 Device for discharging a liquid

Publications (2)

Publication Number Publication Date
WO2000067914A2 true WO2000067914A2 (fr) 2000-11-16
WO2000067914A3 WO2000067914A3 (fr) 2001-04-26

Family

ID=8073268

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2000/004137 WO2000067914A2 (fr) 1999-05-10 2000-05-09 Dispositif pour l'application de fluide

Country Status (9)

Country Link
US (1) US6689214B2 (fr)
EP (1) EP1181105B1 (fr)
JP (1) JP4711371B2 (fr)
AT (1) ATE250983T1 (fr)
AU (1) AU4404600A (fr)
CA (1) CA2368115A1 (fr)
DE (2) DE29908150U1 (fr)
ES (1) ES2204574T3 (fr)
WO (1) WO2000067914A2 (fr)

Cited By (8)

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DE10205437C1 (de) * 2002-02-08 2003-11-27 Kiener Maschinenbau Gmbh Verfahren zur Einstellung einer Arbeitsbreite einer Düsenanordnung zum Auftragen eines fließfähigen Mediums auf eine Materialbahn und Vorrichtung zur Durchführung des Verfahrens
EP1591168A2 (fr) 2004-04-30 2005-11-02 Nordson Corporation Tête d'application, buse d'application, plaque adaptatrice et plaque de montage
EP1902787A2 (fr) 2006-09-22 2008-03-26 Nordson Corporation Appareil d'application de produit fluide, en particulier d'adhésif thermofusible
EP1938905A2 (fr) 2006-12-29 2008-07-02 Nordson Corporation Dispositif ayant une buse à fente pour la distribution de fluide
EP1955778A3 (fr) * 2007-02-09 2008-09-17 Nordson Corporation Appareil d'application de produits fluides tels que des adhésifs
US7861666B2 (en) 2006-09-22 2011-01-04 Nordson Corporation Width adjustable multi slot gun
EP2377623A1 (fr) 2010-04-13 2011-10-19 Nordson Corporation Dispositif d'application d'une matière liquide sur un substrat
US8640641B2 (en) 2010-07-02 2014-02-04 Nordson Corporation Multi-slot applicator with automatic closing function

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DE20308337U1 (de) * 2003-05-26 2003-08-14 Nordson Corp Westlake Vorrichtung zum Auftragen von Fluid
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US7507295B2 (en) * 2005-03-22 2009-03-24 Nordson Corporation Adhesive dispenser
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DE202007007036U1 (de) 2007-05-14 2007-07-26 Nordson Corporation, Westlake Mikrobreitenverstellbare Schlitzdüse
US8127711B2 (en) * 2007-07-05 2012-03-06 Nordson Corporation Mounting systems for an adhesive application system and methods for applying adhesive
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DE202009014160U1 (de) 2009-10-21 2009-12-24 Nordson Corporation, Westlake Schlitzdüsenvorrichtung
CN102540582A (zh) * 2012-02-09 2012-07-04 华映视讯（吴江）有限公司 适用于液晶显示面板的涂胶组件
US10259602B2 (en) 2012-02-28 2019-04-16 The Procter And Gamble Company Method for forming packages
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IN2015DN00608A (fr) 2012-07-24 2015-06-26 Procter & Gamble
US9643812B2 (en) 2014-03-06 2017-05-09 The Procter & Gamble Company Method for pleating or shaping a web
US9783330B2 (en) 2014-03-06 2017-10-10 The Procter & Gamble Company Method and apparatus for shaping webs in a vertical form, fill, and sealing system
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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10205437C1 (de) * 2002-02-08 2003-11-27 Kiener Maschinenbau Gmbh Verfahren zur Einstellung einer Arbeitsbreite einer Düsenanordnung zum Auftragen eines fließfähigen Mediums auf eine Materialbahn und Vorrichtung zur Durchführung des Verfahrens
EP1591168A2 (fr) 2004-04-30 2005-11-02 Nordson Corporation Tête d'application, buse d'application, plaque adaptatrice et plaque de montage
EP1902787A2 (fr) 2006-09-22 2008-03-26 Nordson Corporation Appareil d'application de produit fluide, en particulier d'adhésif thermofusible
US7861666B2 (en) 2006-09-22 2011-01-04 Nordson Corporation Width adjustable multi slot gun
EP1902787A3 (fr) * 2006-09-22 2008-09-17 Nordson Corporation Appareil d'application de produit fluide, en particulier d'adhésif thermofusible
EP1938905A3 (fr) * 2006-12-29 2010-01-13 Nordson Corporation Dispositif ayant une buse à fente pour la distribution de fluide
EP1938905A2 (fr) 2006-12-29 2008-07-02 Nordson Corporation Dispositif ayant une buse à fente pour la distribution de fluide
US9044773B2 (en) 2006-12-29 2015-06-02 Nordson Corporation Device with slotted nozzle assembly for dispensing fluid
EP1955778A3 (fr) * 2007-02-09 2008-09-17 Nordson Corporation Appareil d'application de produits fluides tels que des adhésifs
US8123074B2 (en) 2007-02-09 2012-02-28 Nordson Corporation Apparatus for applying fluids such as adhesive
EP2377623A1 (fr) 2010-04-13 2011-10-19 Nordson Corporation Dispositif d'application d'une matière liquide sur un substrat
US8640641B2 (en) 2010-07-02 2014-02-04 Nordson Corporation Multi-slot applicator with automatic closing function
US9168539B2 (en) 2010-07-02 2015-10-27 Nordson Corporation Method of applying thermoplastic liquid onto a substrate

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CA2368115A1 (fr) 2000-11-16
JP2002543967A (ja) 2002-12-24
AU4404600A (en) 2000-11-21
EP1181105A2 (fr) 2002-02-27
WO2000067914A3 (fr) 2001-04-26
ATE250983T1 (de) 2003-10-15
DE29908150U1 (de) 1999-08-05
DE50003910D1 (de) 2003-11-06
ES2204574T3 (es) 2004-05-01
US6689214B2 (en) 2004-02-10
EP1181105B1 (fr) 2003-10-01
US20020026897A1 (en) 2002-03-07
JP4711371B2 (ja) 2011-06-29

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